Process and apparatus for continuously monitoring waste gas from

Details Process and apparatus for continuously monitoring waste gas from Process and apparatus for continuously monitoring waste gas from

1991-06-03

1994-01-11

Williams, Hezron E.

Measuring and testing

Gas analysis

Gas of combustion

7386311, 423 21, 436 81, G01N 110, G01N 134

Patent

active

052770567

ABSTRACT:
Process for the continuous monitoring of waste gas from an incinerator plant, which contains volatile mercury halides and optionally metallic mercury in the form of vapor, with respect to the entire mercury content, of the waste gas taking a continuous test gas stream from the waste gas, cooling the test gas stream to form a condensate which contains a reducing agent, continuously passing the test gas stream into contact with the condensate to reduce the mercury halides contained in the test gas stream to metallic mercury by the reducing agent contained in the condensate, and subsequently determining the entire metallic mercury content by analysis of the test gas stream.

REFERENCES:
patent: 3677696 (1972-07-01), Bryk et al.
patent: 3764496 (1973-10-01), Hultman et al.
patent: 3849537 (1974-11-01), Allqulin
patent: 4141702 (1979-02-01), de Vries
patent: 4195524 (1980-04-01), Hansen
patent: 4233274 (1980-11-01), Allgulin
patent: 4336722 (1982-06-01), Schweitzer
patent: 4443417 (1984-04-01), Wiklund
patent: 4640751 (1985-10-01), Dyvik et al.

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